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Finding the Fourth Proportional to 613,686.72, 846,833.76 and 341,734.08

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Solution

The fourth proportional to 613,686.72, 846,833.76 and 341,734.08 is: 471,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,686.72 : 846,833.76 = 341,734.08 : x
  2. Step 2: Convert to fraction form
    613,686.72/846,833.76 = 341,734.08/x
  3. Step 3: Cross multiply
    613,686.72x = 846,833.76 × 341,734.08
  4. Step 4: Simplify right side
    613,686.72x = 289,391,955,886.54
  5. Step 5: Solve for x
    x = 289,391,955,886.54/613,686.72
  6. Step 6: Final answer
    x = 471,563.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.